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PostgresNIOTests.swift
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import Logging
@testable import PostgresNIO
import XCTest
import NIOTestUtils
final class PostgresNIOTests: XCTestCase {
private var group: EventLoopGroup!
private var eventLoop: EventLoop { self.group.next() }
override func setUpWithError() throws {
try super.setUpWithError()
XCTAssertTrue(isLoggingConfigured)
self.group = MultiThreadedEventLoopGroup(numberOfThreads: 1)
}
override func tearDownWithError() throws {
try self.group?.syncShutdownGracefully()
self.group = nil
try super.tearDownWithError()
}
// MARK: Tests
func testConnectAndClose() {
var conn: PostgresConnection?
XCTAssertNoThrow(conn = try PostgresConnection.test(on: eventLoop).wait())
XCTAssertNoThrow(try conn?.close().wait())
}
func testSimpleQueryVersion() {
var conn: PostgresConnection?
XCTAssertNoThrow(conn = try PostgresConnection.test(on: eventLoop).wait())
defer { XCTAssertNoThrow( try conn?.close().wait() ) }
var rows: [PostgresRow]?
XCTAssertNoThrow(rows = try conn?.simpleQuery("SELECT version()").wait())
XCTAssertEqual(rows?.count, 1)
XCTAssertEqual(rows?.first?.column("version")?.string?.contains("PostgreSQL"), true)
}
func testQueryVersion() {
var conn: PostgresConnection?
XCTAssertNoThrow(conn = try PostgresConnection.test(on: eventLoop).wait())
defer { XCTAssertNoThrow( try conn?.close().wait() ) }
var rows: PostgresQueryResult?
XCTAssertNoThrow(rows = try conn?.query("SELECT version()", .init()).wait())
XCTAssertEqual(rows?.count, 1)
XCTAssertEqual(rows?.first?.column("version")?.string?.contains("PostgreSQL"), true)
}
func testQuerySelectParameter() {
var conn: PostgresConnection?
XCTAssertNoThrow(conn = try PostgresConnection.test(on: eventLoop).wait())
defer { XCTAssertNoThrow( try conn?.close().wait() ) }
var rows: PostgresQueryResult?
XCTAssertNoThrow(rows = try conn?.query("SELECT $1::TEXT as foo", ["hello"]).wait())
XCTAssertEqual(rows?.count, 1)
XCTAssertEqual(rows?.first?.column("foo")?.string, "hello")
}
func testSQLError() throws {
var conn: PostgresConnection?
XCTAssertNoThrow(conn = try PostgresConnection.test(on: eventLoop).wait())
defer { XCTAssertNoThrow( try conn?.close().wait() ) }
XCTAssertThrowsError(_ = try conn?.simpleQuery("SELECT &").wait()) { error in
XCTAssertEqual((error as? PostgresError)?.code, .syntaxError)
}
}
func testNotificationsEmptyPayload() {
var conn: PostgresConnection?
XCTAssertNoThrow(conn = try PostgresConnection.test(on: eventLoop).wait())
defer { XCTAssertNoThrow( try conn?.close().wait() ) }
var receivedNotifications: [PostgresMessage.NotificationResponse] = []
conn?.addListener(channel: "example") { context, notification in
receivedNotifications.append(notification)
}
XCTAssertNoThrow(_ = try conn?.simpleQuery("LISTEN example").wait())
XCTAssertNoThrow(_ = try conn?.simpleQuery("NOTIFY example").wait())
// Notifications are asynchronous, so we should run at least one more query to make sure we'll have received the notification response by then
XCTAssertNoThrow(_ = try conn?.simpleQuery("SELECT 1").wait())
XCTAssertEqual(receivedNotifications.count, 1)
XCTAssertEqual(receivedNotifications.first?.channel, "example")
XCTAssertEqual(receivedNotifications.first?.payload, "")
}
func testNotificationsNonEmptyPayload() {
var conn: PostgresConnection?
XCTAssertNoThrow(conn = try PostgresConnection.test(on: eventLoop).wait())
defer { XCTAssertNoThrow( try conn?.close().wait() ) }
var receivedNotifications: [PostgresMessage.NotificationResponse] = []
conn?.addListener(channel: "example") { context, notification in
receivedNotifications.append(notification)
}
XCTAssertNoThrow(_ = try conn?.simpleQuery("LISTEN example").wait())
XCTAssertNoThrow(_ = try conn?.simpleQuery("NOTIFY example, 'Notification payload example'").wait())
// Notifications are asynchronous, so we should run at least one more query to make sure we'll have received the notification response by then
XCTAssertNoThrow(_ = try conn?.simpleQuery("SELECT 1").wait())
XCTAssertEqual(receivedNotifications.count, 1)
XCTAssertEqual(receivedNotifications.first?.channel, "example")
XCTAssertEqual(receivedNotifications.first?.payload, "Notification payload example")
}
func testNotificationsRemoveHandlerWithinHandler() {
var conn: PostgresConnection?
XCTAssertNoThrow(conn = try PostgresConnection.test(on: eventLoop).wait())
defer { XCTAssertNoThrow( try conn?.close().wait() ) }
var receivedNotifications = 0
conn?.addListener(channel: "example") { context, notification in
receivedNotifications += 1
context.stop()
}
XCTAssertNoThrow(_ = try conn?.simpleQuery("LISTEN example").wait())
XCTAssertNoThrow(_ = try conn?.simpleQuery("NOTIFY example").wait())
XCTAssertNoThrow(_ = try conn?.simpleQuery("NOTIFY example").wait())
XCTAssertNoThrow(_ = try conn?.simpleQuery("SELECT 1").wait())
XCTAssertEqual(receivedNotifications, 1)
}
func testNotificationsRemoveHandlerOutsideHandler() {
var conn: PostgresConnection?
XCTAssertNoThrow(conn = try PostgresConnection.test(on: eventLoop).wait())
defer { XCTAssertNoThrow( try conn?.close().wait() ) }
var receivedNotifications = 0
let context = conn?.addListener(channel: "example") { context, notification in
receivedNotifications += 1
}
XCTAssertNotNil(context)
XCTAssertNoThrow(_ = try conn?.simpleQuery("LISTEN example").wait())
XCTAssertNoThrow(_ = try conn?.simpleQuery("NOTIFY example").wait())
XCTAssertNoThrow(_ = try conn?.simpleQuery("SELECT 1").wait())
context?.stop()
XCTAssertNoThrow(_ = try conn?.simpleQuery("NOTIFY example").wait())
XCTAssertNoThrow(_ = try conn?.simpleQuery("SELECT 1").wait())
XCTAssertEqual(receivedNotifications, 1)
}
func testNotificationsMultipleRegisteredHandlers() {
var conn: PostgresConnection?
XCTAssertNoThrow(conn = try PostgresConnection.test(on: eventLoop).wait())
defer { XCTAssertNoThrow( try conn?.close().wait() ) }
var receivedNotifications1 = 0
conn?.addListener(channel: "example") { context, notification in
receivedNotifications1 += 1
}
var receivedNotifications2 = 0
conn?.addListener(channel: "example") { context, notification in
receivedNotifications2 += 1
}
XCTAssertNoThrow(_ = try conn?.simpleQuery("LISTEN example").wait())
XCTAssertNoThrow(_ = try conn?.simpleQuery("NOTIFY example").wait())
XCTAssertNoThrow(_ = try conn?.simpleQuery("SELECT 1").wait())
XCTAssertEqual(receivedNotifications1, 1)
XCTAssertEqual(receivedNotifications2, 1)
}
func testNotificationsMultipleRegisteredHandlersRemoval() throws {
var conn: PostgresConnection?
XCTAssertNoThrow(conn = try PostgresConnection.test(on: eventLoop).wait())
defer { XCTAssertNoThrow( try conn?.close().wait() ) }
var receivedNotifications1 = 0
XCTAssertNotNil(conn?.addListener(channel: "example") { context, notification in
receivedNotifications1 += 1
context.stop()
})
var receivedNotifications2 = 0
XCTAssertNotNil(conn?.addListener(channel: "example") { context, notification in
receivedNotifications2 += 1
})
XCTAssertNoThrow(_ = try conn?.simpleQuery("LISTEN example").wait())
XCTAssertNoThrow(_ = try conn?.simpleQuery("NOTIFY example").wait())
XCTAssertNoThrow(_ = try conn?.simpleQuery("NOTIFY example").wait())
XCTAssertNoThrow(_ = try conn?.simpleQuery("SELECT 1").wait())
XCTAssertEqual(receivedNotifications1, 1)
XCTAssertEqual(receivedNotifications2, 2)
}
func testNotificationHandlerFiltersOnChannel() {
var conn: PostgresConnection?
XCTAssertNoThrow(conn = try PostgresConnection.test(on: eventLoop).wait())
defer { XCTAssertNoThrow( try conn?.close().wait() ) }
XCTAssertNotNil(conn?.addListener(channel: "desired") { context, notification in
XCTFail("Received notification on channel that handler was not registered for")
})
XCTAssertNoThrow(_ = try conn?.simpleQuery("LISTEN undesired").wait())
XCTAssertNoThrow(_ = try conn?.simpleQuery("NOTIFY undesired").wait())
XCTAssertNoThrow(_ = try conn?.simpleQuery("SELECT 1").wait())
}
func testSelectTypes() throws {
var conn: PostgresConnection?
XCTAssertNoThrow(conn = try PostgresConnection.test(on: eventLoop).wait())
defer { XCTAssertNoThrow( try conn?.close().wait() ) }
var results: [PostgresRow]?
XCTAssertNoThrow(results = try conn?.simpleQuery("SELECT * FROM pg_type").wait())
XCTAssert((results?.count ?? 0) > 350, "Results count not large enough")
}
func testSelectType() {
var conn: PostgresConnection?
XCTAssertNoThrow(conn = try PostgresConnection.test(on: eventLoop).wait())
defer { XCTAssertNoThrow( try conn?.close().wait() ) }
var results: [PostgresRow]?
XCTAssertNoThrow(results = try conn?.simpleQuery("SELECT * FROM pg_type WHERE typname = 'float8'").wait())
// [
// "typreceive": "float8recv",
// "typelem": "0",
// "typarray": "1022",
// "typalign": "d",
// "typanalyze": "-",
// "typtypmod": "-1",
// "typname": "float8",
// "typnamespace": "11",
// "typdefault": "<null>",
// "typdefaultbin": "<null>",
// "typcollation": "0",
// "typispreferred": "t",
// "typrelid": "0",
// "typbyval": "t",
// "typnotnull": "f",
// "typinput": "float8in",
// "typlen": "8",
// "typcategory": "N",
// "typowner": "10",
// "typtype": "b",
// "typdelim": ",",
// "typndims": "0",
// "typbasetype": "0",
// "typacl": "<null>",
// "typisdefined": "t",
// "typmodout": "-",
// "typmodin": "-",
// "typsend": "float8send",
// "typstorage": "p",
// "typoutput": "float8out"
// ]
XCTAssertEqual(results?.count, 1)
let row = results?.first
XCTAssertEqual(row?.column("typname")?.string, "float8")
XCTAssertEqual(row?.column("typnamespace")?.int, 11)
XCTAssertEqual(row?.column("typowner")?.int, 10)
XCTAssertEqual(row?.column("typlen")?.int, 8)
}
func testIntegers() {
var conn: PostgresConnection?
XCTAssertNoThrow(conn = try PostgresConnection.test(on: eventLoop).wait())
defer { XCTAssertNoThrow( try conn?.close().wait() ) }
struct Integers: Decodable {
let smallint: Int16
let smallint_min: Int16
let smallint_max: Int16
let int: Int32
let int_min: Int32
let int_max: Int32
let bigint: Int64
let bigint_min: Int64
let bigint_max: Int64
}
var results: PostgresQueryResult?
XCTAssertNoThrow(results = try conn?.query("""
SELECT
1::SMALLINT as smallint,
-32767::SMALLINT as smallint_min,
32767::SMALLINT as smallint_max,
1::INT as int,
-2147483647::INT as int_min,
2147483647::INT as int_max,
1::BIGINT as bigint,
-9223372036854775807::BIGINT as bigint_min,
9223372036854775807::BIGINT as bigint_max
""").wait())
XCTAssertEqual(results?.count, 1)
let row = results?.first
XCTAssertEqual(row?.column("smallint")?.int16, 1)
XCTAssertEqual(row?.column("smallint_min")?.int16, -32_767)
XCTAssertEqual(row?.column("smallint_max")?.int16, 32_767)
XCTAssertEqual(row?.column("int")?.int32, 1)
XCTAssertEqual(row?.column("int_min")?.int32, -2_147_483_647)
XCTAssertEqual(row?.column("int_max")?.int32, 2_147_483_647)
XCTAssertEqual(row?.column("bigint")?.int64, 1)
XCTAssertEqual(row?.column("bigint_min")?.int64, -9_223_372_036_854_775_807)
XCTAssertEqual(row?.column("bigint_max")?.int64, 9_223_372_036_854_775_807)
}
func testPi() {
var conn: PostgresConnection?
XCTAssertNoThrow(conn = try PostgresConnection.test(on: eventLoop).wait())
defer { XCTAssertNoThrow( try conn?.close().wait() ) }
struct Pi: Decodable {
let text: String
let numeric_string: String
let numeric_decimal: Decimal
let double: Double
let float: Float
}
var results: PostgresQueryResult?
XCTAssertNoThrow(results = try conn?.query("""
SELECT
pi()::TEXT as text,
pi()::NUMERIC as numeric_string,
pi()::NUMERIC as numeric_decimal,
pi()::FLOAT8 as double,
pi()::FLOAT4 as float
""").wait())
XCTAssertEqual(results?.count, 1)
let row = results?.first
XCTAssertEqual(row?.column("text")?.string?.hasPrefix("3.14159265"), true)
XCTAssertEqual(row?.column("numeric_string")?.string?.hasPrefix("3.14159265"), true)
XCTAssertTrue(row?.column("numeric_decimal")?.decimal?.isLess(than: 3.14159265358980) ?? false)
XCTAssertFalse(row?.column("numeric_decimal")?.decimal?.isLess(than: 3.14159265358978) ?? true)
XCTAssertTrue(row?.column("double")?.double?.description.hasPrefix("3.141592") ?? false)
XCTAssertTrue(row?.column("float")?.float?.description.hasPrefix("3.141592") ?? false)
}
func testUUID() {
var conn: PostgresConnection?
XCTAssertNoThrow(conn = try PostgresConnection.test(on: eventLoop).wait())
defer { XCTAssertNoThrow( try conn?.close().wait() ) }
struct Model: Decodable {
let id: UUID
let string: String
}
var results: PostgresQueryResult?
XCTAssertNoThrow(results = try conn?.query("""
SELECT
'123e4567-e89b-12d3-a456-426655440000'::UUID as id,
'123e4567-e89b-12d3-a456-426655440000'::UUID as string
""").wait())
XCTAssertEqual(results?.count, 1)
XCTAssertEqual(results?.first?.column("id")?.uuid, UUID(uuidString: "123E4567-E89B-12D3-A456-426655440000"))
XCTAssertEqual(UUID(uuidString: results?.first?.column("id")?.string ?? ""), UUID(uuidString: "123E4567-E89B-12D3-A456-426655440000"))
}
func testDates() {
var conn: PostgresConnection?
XCTAssertNoThrow(conn = try PostgresConnection.test(on: eventLoop).wait())
defer { XCTAssertNoThrow( try conn?.close().wait() ) }
struct Dates: Decodable {
var date: Date
var timestamp: Date
var timestamptz: Date
}
var results: PostgresQueryResult?
XCTAssertNoThrow(results = try conn?.query("""
SELECT
'2016-01-18 01:02:03 +0042'::DATE as date,
'2016-01-18 01:02:03 +0042'::TIMESTAMP as timestamp,
'2016-01-18 01:02:03 +0042'::TIMESTAMPTZ as timestamptz
""").wait())
XCTAssertEqual(results?.count, 1)
let row = results?.first
XCTAssertEqual(row?.column("date")?.date?.description, "2016-01-18 00:00:00 +0000")
XCTAssertEqual(row?.column("timestamp")?.date?.description, "2016-01-18 01:02:03 +0000")
XCTAssertEqual(row?.column("timestamptz")?.date?.description, "2016-01-18 00:20:03 +0000")
}
/// https://github.com/vapor/nio-postgres/issues/20
func testBindInteger() {
var conn: PostgresConnection?
XCTAssertNoThrow(conn = try PostgresConnection.test(on: eventLoop).wait())
defer { XCTAssertNoThrow( try conn?.close().wait() ) }
XCTAssertNoThrow(_ = try conn?.simpleQuery("drop table if exists person;").wait())
XCTAssertNoThrow(_ = try conn?.simpleQuery("create table person(id serial primary key, first_name text, last_name text);").wait())
defer { XCTAssertNoThrow(_ = try conn?.simpleQuery("drop table person;").wait()) }
let id = PostgresData(int32: 5)
XCTAssertNoThrow(_ = try conn?.query("SELECT id, first_name, last_name FROM person WHERE id = $1", [id]).wait())
}
// https://github.com/vapor/nio-postgres/issues/21
func testAverageLengthNumeric() {
var conn: PostgresConnection?
XCTAssertNoThrow(conn = try PostgresConnection.test(on: eventLoop).wait())
defer { XCTAssertNoThrow( try conn?.close().wait() ) }
var results: PostgresQueryResult?
XCTAssertNoThrow(results = try conn?.query("select avg(length('foo')) as average_length").wait())
XCTAssertEqual(results?.first?.column("average_length")?.double, 3.0)
}
func testNumericParsing() {
var conn: PostgresConnection?
XCTAssertNoThrow(conn = try PostgresConnection.test(on: eventLoop).wait())
defer { XCTAssertNoThrow( try conn?.close().wait() ) }
var rows: PostgresQueryResult?
XCTAssertNoThrow(rows = try conn?.query("""
select
'1234.5678'::numeric as a,
'-123.456'::numeric as b,
'123456.789123'::numeric as c,
'3.14159265358979'::numeric as d,
'10000'::numeric as e,
'0.00001'::numeric as f,
'100000000'::numeric as g,
'0.000000001'::numeric as h,
'100000000000'::numeric as i,
'0.000000000001'::numeric as j,
'123000000000'::numeric as k,
'0.000000000123'::numeric as l,
'0.5'::numeric as m
""").wait())
XCTAssertEqual(rows?.count, 1)
let row = rows?.first
XCTAssertEqual(row?.column("a")?.string, "1234.5678")
XCTAssertEqual(row?.column("b")?.string, "-123.456")
XCTAssertEqual(row?.column("c")?.string, "123456.789123")
XCTAssertEqual(row?.column("d")?.string, "3.14159265358979")
XCTAssertEqual(row?.column("e")?.string, "10000")
XCTAssertEqual(row?.column("f")?.string, "0.00001")
XCTAssertEqual(row?.column("g")?.string, "100000000")
XCTAssertEqual(row?.column("h")?.string, "0.000000001")
XCTAssertEqual(row?.column("k")?.string, "123000000000")
XCTAssertEqual(row?.column("l")?.string, "0.000000000123")
XCTAssertEqual(row?.column("m")?.string, "0.5")
}
func testSingleNumericParsing() {
// this seemingly duped test is useful for debugging numeric parsing
var conn: PostgresConnection?
XCTAssertNoThrow(conn = try PostgresConnection.test(on: eventLoop).wait())
defer { XCTAssertNoThrow( try conn?.close().wait() ) }
let numeric = "790226039477542363.6032384900176272473"
var rows: PostgresQueryResult?
XCTAssertNoThrow(rows = try conn?.query("""
select
'\(numeric)'::numeric as n
""").wait())
XCTAssertEqual(rows?.first?.column("n")?.string, numeric)
}
func testRandomlyGeneratedNumericParsing() throws {
// this test takes a long time to run
try XCTSkipUnless(Self.shouldRunLongRunningTests)
var conn: PostgresConnection?
XCTAssertNoThrow(conn = try PostgresConnection.test(on: eventLoop).wait())
defer { XCTAssertNoThrow( try conn?.close().wait() ) }
for _ in 0..<1_000_000 {
let integer = UInt.random(in: UInt.min..<UInt.max)
let fraction = UInt.random(in: UInt.min..<UInt.max)
let number = "\(integer).\(fraction)"
.trimmingCharacters(in: CharacterSet(["0"]))
var rows: PostgresQueryResult?
XCTAssertNoThrow(rows = try conn?.query("""
select
'\(number)'::numeric as n
""").wait())
XCTAssertEqual(rows?.first?.column("n")?.string, number)
}
}
func testNumericSerialization() {
var conn: PostgresConnection?
XCTAssertNoThrow(conn = try PostgresConnection.test(on: eventLoop).wait())
defer { XCTAssertNoThrow( try conn?.close().wait() ) }
let a = PostgresNumeric(string: "123456.789123")!
let b = PostgresNumeric(string: "-123456.789123")!
let c = PostgresNumeric(string: "3.14159265358979")!
var rows: PostgresQueryResult?
XCTAssertNoThrow(rows = try conn?.query("""
select
$1::numeric::text as a,
$2::numeric::text as b,
$3::numeric::text as c
""", [
.init(numeric: a),
.init(numeric: b),
.init(numeric: c)
]).wait())
XCTAssertEqual(rows?.first?.column("a")?.string, "123456.789123")
XCTAssertEqual(rows?.first?.column("b")?.string, "-123456.789123")
XCTAssertEqual(rows?.first?.column("c")?.string, "3.14159265358979")
}
func testMoney() {
var conn: PostgresConnection?
XCTAssertNoThrow(conn = try PostgresConnection.test(on: eventLoop).wait())
defer { XCTAssertNoThrow( try conn?.close().wait() ) }
var rows: PostgresQueryResult?
XCTAssertNoThrow(rows = try conn?.query("""
select
'0'::money as a,
'0.05'::money as b,
'0.23'::money as c,
'3.14'::money as d,
'12345678.90'::money as e
""").wait())
XCTAssertEqual(rows?.first?.column("a")?.string, "0.00")
XCTAssertEqual(rows?.first?.column("b")?.string, "0.05")
XCTAssertEqual(rows?.first?.column("c")?.string, "0.23")
XCTAssertEqual(rows?.first?.column("d")?.string, "3.14")
XCTAssertEqual(rows?.first?.column("e")?.string, "12345678.90")
}
func testIntegerArrayParse() {
var conn: PostgresConnection?
XCTAssertNoThrow(conn = try PostgresConnection.test(on: eventLoop).wait())
defer { XCTAssertNoThrow( try conn?.close().wait() ) }
var rows: PostgresQueryResult?
XCTAssertNoThrow(rows = try conn?.query("""
select
'{1,2,3}'::int[] as array
""").wait())
XCTAssertEqual(rows?.first?.column("array")?.array(of: Int.self), [1, 2, 3])
}
func testEmptyIntegerArrayParse() {
var conn: PostgresConnection?
XCTAssertNoThrow(conn = try PostgresConnection.test(on: eventLoop).wait())
defer { XCTAssertNoThrow( try conn?.close().wait() ) }
var rows: PostgresQueryResult?
XCTAssertNoThrow(rows = try conn?.query("""
select
'{}'::int[] as array
""").wait())
XCTAssertEqual(rows?.first?.column("array")?.array(of: Int.self), [])
}
func testNullIntegerArrayParse() {
var conn: PostgresConnection?
XCTAssertNoThrow(conn = try PostgresConnection.test(on: eventLoop).wait())
defer { XCTAssertNoThrow( try conn?.close().wait() ) }
var rows: PostgresQueryResult?
XCTAssertNoThrow(rows = try conn?.query("""
select
null::int[] as array
""").wait())
XCTAssertEqual(rows?.first?.column("array")?.array(of: Int.self), nil)
}
func testIntegerArraySerialize() {
var conn: PostgresConnection?
XCTAssertNoThrow(conn = try PostgresConnection.test(on: eventLoop).wait())
defer { XCTAssertNoThrow( try conn?.close().wait() ) }
var rows: PostgresQueryResult?
XCTAssertNoThrow(rows = try conn?.query("""
select
$1::int8[] as array
""", [
PostgresData(array: [1, 2, 3])
]).wait())
XCTAssertEqual(rows?.first?.column("array")?.array(of: Int.self), [1, 2, 3])
}
func testEmptyIntegerArraySerialize() {
var conn: PostgresConnection?
XCTAssertNoThrow(conn = try PostgresConnection.test(on: eventLoop).wait())
defer { XCTAssertNoThrow( try conn?.close().wait() ) }
var rows: PostgresQueryResult?
XCTAssertNoThrow(rows = try conn?.query("""
select
$1::int8[] as array
""", [
PostgresData(array: [] as [Int])
]).wait())
XCTAssertEqual(rows?.first?.column("array")?.array(of: Int.self), [])
}
// https://github.com/vapor/postgres-nio/issues/143
func testEmptyStringFromNonNullColumn() {
var conn: PostgresConnection?
XCTAssertNoThrow(conn = try PostgresConnection.test(on: eventLoop).wait())
defer { XCTAssertNoThrow( try conn?.close().wait() ) }
XCTAssertNoThrow(_ = try conn?.simpleQuery(#"DROP TABLE IF EXISTS "non_null_empty_strings""#).wait())
XCTAssertNoThrow(_ = try conn?.simpleQuery("""
CREATE TABLE non_null_empty_strings (
"id" SERIAL,
"nonNullString" text NOT NULL,
PRIMARY KEY ("id")
);
""").wait())
defer { XCTAssertNoThrow(_ = try conn?.simpleQuery(#"DROP TABLE "non_null_empty_strings""#).wait()) }
XCTAssertNoThrow(_ = try conn?.simpleQuery("""
INSERT INTO non_null_empty_strings ("nonNullString") VALUES ('')
""").wait())
var rows: [PostgresRow]?
XCTAssertNoThrow(rows = try conn?.simpleQuery(#"SELECT * FROM "non_null_empty_strings""#).wait())
XCTAssertEqual(rows?.count, 1)
XCTAssertEqual(rows?.first?.column("nonNullString")?.string, "") // <--- this fails
}
func testBoolSerialize() {
var conn: PostgresConnection?
XCTAssertNoThrow(conn = try PostgresConnection.test(on: eventLoop).wait())
defer { XCTAssertNoThrow( try conn?.close().wait() ) }
do {
var rows: PostgresQueryResult?
XCTAssertNoThrow(rows = try conn?.query("select $1::bool as bool", [true]).wait())
XCTAssertEqual(rows?.first?.column("bool")?.bool, true)
}
do {
var rows: PostgresQueryResult?
XCTAssertNoThrow(rows = try conn?.query("select $1::bool as bool", [false]).wait())
XCTAssertEqual(rows?.first?.column("bool")?.bool, false)
}
do {
var rows: [PostgresRow]?
XCTAssertNoThrow(rows = try conn?.simpleQuery("select true::bool as bool").wait())
XCTAssertEqual(rows?.first?.column("bool")?.bool, true)
}
do {
var rows: [PostgresRow]?
XCTAssertNoThrow(rows = try conn?.simpleQuery("select false::bool as bool").wait())
XCTAssertEqual(rows?.first?.column("bool")?.bool, false)
}
}
func testBytesSerialize() {
var conn: PostgresConnection?
XCTAssertNoThrow(conn = try PostgresConnection.test(on: eventLoop).wait())
defer { XCTAssertNoThrow( try conn?.close().wait() ) }
var rows: PostgresQueryResult?
XCTAssertNoThrow(rows = try conn?.query("select $1::bytea as bytes", [
PostgresData(bytes: [1, 2, 3])
]).wait())
XCTAssertEqual(rows?.first?.column("bytes")?.bytes, [1, 2, 3])
}
func testJSONBSerialize() {
struct Object: Codable {
let foo: Int
let bar: Int
}
var conn: PostgresConnection?
XCTAssertNoThrow(conn = try PostgresConnection.test(on: eventLoop).wait())
defer { XCTAssertNoThrow(try conn?.close().wait()) }
do {
var postgresData: PostgresData?
XCTAssertNoThrow(postgresData = try PostgresData(jsonb: Object(foo: 1, bar: 2)))
var rows: PostgresQueryResult?
XCTAssertNoThrow(rows = try conn?.query("select $1::jsonb as jsonb", [XCTUnwrap(postgresData)]).wait())
var object: Object?
XCTAssertNoThrow(object = try rows?.first?.column("jsonb")?.jsonb(as: Object.self))
XCTAssertEqual(object?.foo, 1)
XCTAssertEqual(object?.bar, 2)
}
do {
var rows: PostgresQueryResult?
XCTAssertNoThrow(rows = try conn?.query("select jsonb_build_object('foo',1,'bar',2) as jsonb").wait())
var object: Object?
XCTAssertNoThrow(object = try rows?.first?.column("jsonb")?.jsonb(as: Object.self))
XCTAssertEqual(object?.foo, 1)
XCTAssertEqual(object?.bar, 2)
}
}
func testJSONBConvertible() {
struct Object: PostgresJSONBCodable {
let foo: Int
let bar: Int
}
XCTAssertEqual(Object.postgresDataType, .jsonb)
let postgresData = Object(foo: 1, bar: 2).postgresData
XCTAssertEqual(postgresData?.type, .jsonb)
let object = Object(postgresData: postgresData!)
XCTAssertEqual(object?.foo, 1)
XCTAssertEqual(object?.bar, 2)
}
func testRemoteTLSServer() {
// postgres://uymgphwj:7_tHbREdRwkqAdu4KoIS7hQnNxr8J1LA@elmer.db.elephantsql.com:5432/uymgphwj
var conn: PostgresConnection?
XCTAssertNoThrow(conn = try PostgresConnection.connect(
to: SocketAddress.makeAddressResolvingHost("elmer.db.elephantsql.com", port: 5432),
tlsConfiguration: .forClient(certificateVerification: .none),
serverHostname: "elmer.db.elephantsql.com",
on: eventLoop
).wait())
XCTAssertNoThrow(try conn?.authenticate(
username: "uymgphwj",
database: "uymgphwj",
password: "7_tHbREdRwkqAdu4KoIS7hQnNxr8J1LA"
).wait())
defer { XCTAssertNoThrow( try conn?.close().wait() ) }
var rows: [PostgresRow]?
XCTAssertNoThrow(rows = try conn?.simpleQuery("SELECT version()").wait())
XCTAssertEqual(rows?.count, 1)
let version = rows?.first?.column("version")?.string
XCTAssertEqual(version?.contains("PostgreSQL"), true)
}
func testFailingTLSConnectionClosesConnection() {
// There was a bug (https://github.com/vapor/postgres-nio/issues/133) where we would hit
// an assert because we didn't close the connection. This test should succeed without hitting
// the assert
// postgres://uymgphwj:7_tHbREdRwkqAdu4KoIS7hQnNxr8J1LA@elmer.db.elephantsql.com:5432/uymgphwj
// We should get an error because you can't use an IP address for SNI, but we shouldn't bomb out by
// hitting the assert
XCTAssertThrowsError(
try PostgresConnection.connect(
to: SocketAddress.makeAddressResolvingHost("elmer.db.elephantsql.com", port: 5432),
tlsConfiguration: .forClient(certificateVerification: .fullVerification),
serverHostname: "34.228.73.168",
on: eventLoop
).wait()
)
// If we hit this, we're all good
XCTAssertTrue(true)
}
func testInvalidPassword() {
var conn: PostgresConnection?
XCTAssertNoThrow(conn = try PostgresConnection.testUnauthenticated(on: eventLoop).wait())
let authFuture = conn?.authenticate(username: "invalid", database: "invalid", password: "bad")
XCTAssertThrowsError(_ = try authFuture?.wait()) { error in
XCTAssert((error as? PostgresError)?.code == .invalidPassword || (error as? PostgresError)?.code == .invalidAuthorizationSpecification)
}
// in this case the connection will be closed by the remote
XCTAssertNoThrow(try conn?.closeFuture.wait())
}
func testColumnsInJoin() {
var conn: PostgresConnection?
XCTAssertNoThrow(conn = try PostgresConnection.test(on: eventLoop).wait())
defer { XCTAssertNoThrow( try conn?.close().wait() ) }
let dateInTable1 = Date(timeIntervalSince1970: 1234)
let dateInTable2 = Date(timeIntervalSince1970: 5678)
XCTAssertNoThrow(_ = try conn?.simpleQuery("DROP TABLE IF EXISTS \"table1\"").wait())
XCTAssertNoThrow(_ = try conn?.simpleQuery("""
CREATE TABLE table1 (
"id" int8 NOT NULL,
"table2_id" int8,
"intValue" int8,
"stringValue" text,
"dateValue" timestamptz,
PRIMARY KEY ("id")
);
""").wait())
defer { XCTAssertNoThrow(_ = try conn?.simpleQuery("DROP TABLE \"table1\"").wait()) }
XCTAssertNoThrow(_ = try conn?.simpleQuery("DROP TABLE IF EXISTS \"table2\"").wait())
XCTAssertNoThrow(_ = try conn?.simpleQuery("""
CREATE TABLE table2 (
"id" int8 NOT NULL,
"intValue" int8,
"stringValue" text,
"dateValue" timestamptz,
PRIMARY KEY ("id")
);
""").wait())
defer { XCTAssertNoThrow(_ = try conn?.simpleQuery("DROP TABLE \"table2\"").wait()) }
XCTAssertNoThrow(_ = try conn?.simpleQuery("INSERT INTO table1 VALUES (12, 34, 56, 'stringInTable1', to_timestamp(1234))").wait())
XCTAssertNoThrow(_ = try conn?.simpleQuery("INSERT INTO table2 VALUES (34, 78, 'stringInTable2', to_timestamp(5678))").wait())
var rows: PostgresQueryResult?
XCTAssertNoThrow(rows = try conn?.query("""
SELECT
"table1"."id" as "t1_id",
"table1"."intValue" as "t1_intValue",
"table1"."dateValue" as "t1_dateValue",
"table1"."stringValue" as "t1_stringValue",
"table2"."id" as "t2_id",
"table2"."intValue" as "t2_intValue",
"table2"."dateValue" as "t2_dateValue",
"table2"."stringValue" as "t2_stringValue",
*
FROM table1 INNER JOIN table2 ON table1.table2_id = table2.id
""").wait())
let row = rows?.first
XCTAssertEqual(row?.column("t1_id")?.int, 12)
XCTAssertEqual(row?.column("table2_id")?.int, 34)
XCTAssertEqual(row?.column("t1_intValue")?.int, 56)
XCTAssertEqual(row?.column("t1_stringValue")?.string, "stringInTable1")
XCTAssertEqual(row?.column("t1_dateValue")?.date, dateInTable1)
XCTAssertEqual(row?.column("t2_id")?.int, 34)
XCTAssertEqual(row?.column("t2_intValue")?.int, 78)
XCTAssertEqual(row?.column("t2_stringValue")?.string, "stringInTable2")
XCTAssertEqual(row?.column("t2_dateValue")?.date, dateInTable2)
}
func testStringArrays() {
let query = """
SELECT
$1::uuid as "id",
$2::bigint as "revision",
$3::timestamp as "updated_at",
$4::timestamp as "created_at",
$5::text as "name",
$6::text[] as "countries",
$7::text[] as "languages",
$8::text[] as "currencies"
"""
var conn: PostgresConnection?
XCTAssertNoThrow(conn = try PostgresConnection.test(on: eventLoop).wait())
defer { XCTAssertNoThrow( try conn?.close().wait() ) }
var rows: PostgresQueryResult?
XCTAssertNoThrow(rows = try conn?.query(query, [
PostgresData(uuid: UUID(uuidString: "D2710E16-EB07-4FD6-A87E-B1BE41C9BD3D")!),
PostgresData(int: Int(0)),
PostgresData(date: Date(timeIntervalSince1970: 0)),
PostgresData(date: Date(timeIntervalSince1970: 0)),
PostgresData(string: "Foo"),
PostgresData(array: ["US"]),
PostgresData(array: ["en"]),
PostgresData(array: ["USD", "DKK"]),
]).wait())
XCTAssertEqual(rows?.first?.column("countries")?.array(of: String.self), ["US"])
XCTAssertEqual(rows?.first?.column("languages")?.array(of: String.self), ["en"])
XCTAssertEqual(rows?.first?.column("currencies")?.array(of: String.self), ["USD", "DKK"])
}
func testBindDate() {
// https://github.com/vapor/postgres-nio/issues/53
let date = Date(timeIntervalSince1970: 1571425782)
let query = """
SELECT $1::json as "date"
"""
var conn: PostgresConnection?
XCTAssertNoThrow(conn = try PostgresConnection.test(on: eventLoop).wait())
defer { XCTAssertNoThrow( try conn?.close().wait() ) }
XCTAssertThrowsError(_ = try conn?.query(query, [.init(date: date)]).wait()) { error in
guard let postgresError = try? XCTUnwrap(error as? PostgresError) else { return }
guard case let .server(serverError) = postgresError else {
XCTFail("Expected a .serverError but got \(postgresError)")
return
}
XCTAssertEqual(serverError.fields[.routine], "transformTypeCast")
}
}
func testBindCharString() {
// https://github.com/vapor/postgres-nio/issues/53
let query = """
SELECT $1::char as "char"
"""
var conn: PostgresConnection?
XCTAssertNoThrow(conn = try PostgresConnection.test(on: eventLoop).wait())
defer { XCTAssertNoThrow( try conn?.close().wait() ) }
var rows: PostgresQueryResult?
XCTAssertNoThrow(rows = try conn?.query(query, [.init(string: "f")]).wait())
XCTAssertEqual(rows?.first?.column("char")?.string, "f")
}
func testBindCharUInt8() {
// https://github.com/vapor/postgres-nio/issues/53
let query = """
SELECT $1::char as "char"
"""
var conn: PostgresConnection?
XCTAssertNoThrow(conn = try PostgresConnection.test(on: eventLoop).wait())
defer { XCTAssertNoThrow( try conn?.close().wait() ) }
var rows: PostgresQueryResult?
XCTAssertNoThrow(rows = try conn?.query(query, [.init(uint8: 42)]).wait())
XCTAssertEqual(rows?.first?.column("char")?.string, "*")
}
func testDoubleArraySerialization() {
var conn: PostgresConnection?
XCTAssertNoThrow(conn = try PostgresConnection.test(on: eventLoop).wait())
defer { XCTAssertNoThrow( try conn?.close().wait() ) }
let doubles: [Double] = [3.14, 42]
var rows: PostgresQueryResult?
XCTAssertNoThrow(rows = try conn?.query("""
select
$1::double precision[] as doubles
""", [
.init(array: doubles)
]).wait())
XCTAssertEqual(rows?.first?.column("doubles")?.array(of: Double.self), doubles)
}
// https://github.com/vapor/postgres-nio/issues/42
func testUInt8Serialization() {
var conn: PostgresConnection?
XCTAssertNoThrow(conn = try PostgresConnection.test(on: eventLoop).wait())
defer { XCTAssertNoThrow( try conn?.close().wait() ) }
var rows: PostgresQueryResult?
XCTAssertNoThrow(rows = try conn?.query("""
select
$1::"char" as int
""", [
.init(uint8: 5)
]).wait())
XCTAssertEqual(rows?.first?.column("int")?.uint8, 5)
}
func testMessageDecoder() {
let sample: [UInt8] = [
0x52, // R - authentication
0x00, 0x00, 0x00, 0x0C, // length = 12
0x00, 0x00, 0x00, 0x05, // md5
0x01, 0x02, 0x03, 0x04, // salt
0x4B, // B - backend key data
0x00, 0x00, 0x00, 0x0C, // length = 12
0x05, 0x05, 0x05, 0x05, // process id
0x01, 0x01, 0x01, 0x01, // secret key
]
var input = ByteBufferAllocator().buffer(capacity: 0)
input.writeBytes(sample)
let output: [PostgresMessage] = [
PostgresMessage(identifier: .authentication, bytes: [
0x00, 0x00, 0x00, 0x05,
0x01, 0x02, 0x03, 0x04,
]),
PostgresMessage(identifier: .backendKeyData, bytes: [
0x05, 0x05, 0x05, 0x05,
0x01, 0x01, 0x01, 0x01,
])
]
XCTAssertNoThrow(try XCTUnwrap(ByteToMessageDecoderVerifier.verifyDecoder(
inputOutputPairs: [(input, output)],
decoderFactory: {
PostgresMessageDecoder()
}
)))
}
func testPreparedQuery() {
var conn: PostgresConnection?
XCTAssertNoThrow(conn = try PostgresConnection.test(on: eventLoop).wait())
defer { XCTAssertNoThrow( try conn?.close().wait() ) }
var prepared: PreparedQuery?
XCTAssertNoThrow(prepared = try conn?.prepare(query: "SELECT 1 as one;").wait())
var rows: [PostgresRow]?
XCTAssertNoThrow(rows = try prepared?.execute().wait())
XCTAssertEqual(rows?.count, 1)
XCTAssertEqual(rows?.first?.column("one")?.int, 1)
}
func testPrepareQueryClosure() {
var conn: PostgresConnection?
XCTAssertNoThrow(conn = try PostgresConnection.test(on: eventLoop).wait())
defer { XCTAssertNoThrow( try conn?.close().wait() ) }
var queries: [[PostgresRow]]?
XCTAssertNoThrow(queries = try conn?.prepare(query: "SELECT $1::text as foo;", handler: { query in
let a = query.execute(["a"])
let b = query.execute(["b"])
let c = query.execute(["c"])
return EventLoopFuture.whenAllSucceed([a, b, c], on: self.eventLoop)
}).wait())
XCTAssertEqual(queries?.count, 3)
var iterator = queries?.makeIterator()
XCTAssertEqual(iterator?.next()?.first?.column("foo")?.string, "a")
XCTAssertEqual(iterator?.next()?.first?.column("foo")?.string, "b")
XCTAssertEqual(iterator?.next()?.first?.column("foo")?.string, "c")
}
// https://github.com/vapor/postgres-nio/issues/122
func testPreparedQueryNoResults() {
var conn: PostgresConnection?
XCTAssertNoThrow(conn = try PostgresConnection.test(on: eventLoop).wait())
defer { XCTAssertNoThrow( try conn?.close().wait() ) }
XCTAssertNoThrow(_ = try conn?.simpleQuery("DROP TABLE IF EXISTS \"table_no_results\"").wait())
XCTAssertNoThrow(_ = try conn?.simpleQuery("""
CREATE TABLE table_no_results (
"id" int8 NOT NULL,
"stringValue" text,
PRIMARY KEY ("id")
);
""").wait())
defer { XCTAssertNoThrow(_ = try conn?.simpleQuery("DROP TABLE \"table_no_results\"").wait()) }
XCTAssertNoThrow(_ = try conn?.prepare(query: "DELETE FROM \"table_no_results\" WHERE id = $1").wait())
}
// https://github.com/vapor/postgres-nio/issues/71
func testChar1Serialization() {
var conn: PostgresConnection?
XCTAssertNoThrow(conn = try PostgresConnection.test(on: eventLoop).wait())
defer { XCTAssertNoThrow( try conn?.close().wait() ) }
var rows: PostgresQueryResult?
XCTAssertNoThrow(rows = try conn?.query("""
select
'5'::char(1) as one,
'5'::char(2) as two
""").wait())
XCTAssertEqual(rows?.first?.column("one")?.uint8, 53)
XCTAssertEqual(rows?.first?.column("one")?.int16, 53)
XCTAssertEqual(rows?.first?.column("one")?.string, "5")
XCTAssertEqual(rows?.first?.column("two")?.uint8, nil)
XCTAssertEqual(rows?.first?.column("two")?.int16, nil)
XCTAssertEqual(rows?.first?.column("two")?.string, "5 ")